Is gemini-deep-research or GPT-5.1-Codex-Max cheaper?

GPT-5.1-Codex-Max is cheaper on output tokens ($9.00 vs $9.60 per 1M).

Which has the larger context window, gemini-deep-research or GPT-5.1-Codex-Max?

gemini-deep-research has the larger context window (1M tokens).

gemini-deep-research vs GPT-5.1-Codex-Max

GPT-5.1-Codex-Max is cheaper on output tokens, while gemini-deep-research offers a larger context window. Choose gemini-deep-research or GPT-5.1-Codex-Max based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gemini-deep-research	GPT-5.1-Codex-Max
Provider	Poe	Poe
Input / 1M tokens	$1.60	$1.10
Output / 1M tokens	$9.60	$9.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Dec 2025	Dec 2025

gemini-deep-research details →GPT-5.1-Codex-Max details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.